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44 sats \ 4 replies \ @nout 26 Jan \ parent \ on: Phoenix Wallet Privacy TradeOffs lightning

I wonder if there's a difference in terms of privacy while using BOLT12 in Phoenix in 3 different scenarios

  • Phoenix sending to another Phoenix BOLT12 offer code
  • Phoenix sending to a different wallet via BOLT12 offer code
  • Another wallet sending to Phoenix BOLT12 offer code

(I also wonder if there are privacy differences based on how you use the BOLT12 in Phoenix, because there are 3 formats - human readable address (the thing that looks like lightning adress), the payment code and full URI)

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0 sats \ 3 replies \ @ek 26 Jan

Good questions, hopefully @ACINQ will see my email and reply tomorrow during business hours

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10 sats \ 2 replies \ @OT 27 Jan

Since everything is passing through their side of the channel I'd bet it's not the best privacy focused wallet.

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0 sats \ 0 replies \ @ek 6 Feb

For everyone in this thread: not sure if you saw, but ACINQ replied in #866536

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0 sats \ 0 replies \ @ek 27 Jan

It's possible to hide the destination with trampoline routing but I think amounts would still be revealed.

You could also calculate the route on the device but that requires more resources:

This is advantageous for lightweight LN clients that aren’t able to track the full network graph because they’re often offline or run on underpowered mobile hardware.

Privacy of receiving payments in such a setup is an issue though afaict.

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